Has anyone heard/tried this before
 

This is the place that is powder coating my wheels. They also have a process called cryogenic processing. I was wondering if it would work on X5 rotors, keep from having to replace them at every brake job?

Cryogenic Processing, Professional Cryogenic Metallurgy & Coatings, Powder Coating, Ceramic Coating, REM Gear Polishing, Sandblasting, Atlanta, Georgia